What I am saying is the etymology of the time was different. In the modern English we would call no one father, teacher, or even sir--and that is not what Jesus meant. Keep in mind Biblical languages had very few words compared to our modern English. Almost every word did double duty.
Jesus was saying that ultimately, God is our Father, our Teacher, our Hero. Don't get so enamored with a rabbi/priest, teacher, boss that this is the highest you look when you come to living your life. Fathers, priests, rabbis, teachers, bosses are well and good, but remember don't stop there, and certainly don't ignore them. Simply look even higher and remember who is the true Father of truth and your own true Father, Teacher, Master.
Grin. Going back to your earlier post, if we can't use titles, we would have to learn to respectfully address our priests, rabbis, teachers, bosses as, "Fool." Remember, Jesus said not to address someone as "Master" which means we can't use the word "Mister, Missus, Miss" either, because they are all derivative of Master.
ETA: Priests, Bishops, Popes (and Misters) can certainly be addressed by their title without exalting them. Respect and exaltation or two very different things.